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CVE-2016-4975

httpd: CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir

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Severity

Moderate

Red Hat Product Security

3.7

CVSS 3.0

Review impact separately from score.

Published · August 14, 2018

Updated · September 21, 2026

Description

It was found that Apache was vulnerable to a HTTP response splitting attack for sites which use mod_userdir. An attacker could use this flaw to inject CRLF characters into the HTTP header and could possibly gain access to secure data.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.7
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE-113 · Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')